Home / 31,637.50-43,655.96-17,488.42

Finding the Fourth Proportional to 31,637.50, 43,655.96 and 17,488.42

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Solution

The fourth proportional to 31,637.50, 43,655.96 and 17,488.42 is: 24,131.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,637.50 : 43,655.96 = 17,488.42 : x
  2. Step 2: Convert to fraction form
    31,637.50/43,655.96 = 17,488.42/x
  3. Step 3: Cross multiply
    31,637.50x = 43,655.96 × 17,488.42
  4. Step 4: Simplify right side
    31,637.50x = 763,473,763.98
  5. Step 5: Solve for x
    x = 763,473,763.98/31,637.50
  6. Step 6: Final answer
    x = 24,131.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.